• 40 bell pepper, tops cut off, seeded
• 4½ kg ground beef, 85/15
• 1.2 l onion, diced
• 20 clove garlic, minced
• 3½ l cooked rice, white or brown
• 2.4 l marinara sauce, plus extra for topping
• 2.4 l shredded mozzarella cheese, divided
• 10 tsp Italian seasoning
• 5 tsp salt
• 2½ tsp black pepper
• 10 tbsp olive oil

Metric measurements are approximate conversions.